# Kernel config based on: arch/arm64/configs/defconfig
# APKBUILD based on linux-postmarketos-mainline
# See: https://gitlab.postmarketos.org/postmarketOS/pmaports/issues/153

_flavor=google-crosshatch-mainline
_config="config-$_flavor.$CARCH"

pkgname=linux-$_flavor
pkgver=5.3_rc5
pkgrel=5
arch="aarch64"
_carch="arm64"
pkgdesc="Google Pixel 3 XL kernel fork, close to mainline"
url="https://kernel.org/"
license="GPL2-2.0-only"
makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev openssl-dev file bison flex"
options="!strip !check !tracedeps
		pmb:cross-native
"

_repository="linux"
_commit="9c9b87cec239101274451cc9c086da60108f9fda"

source="
	$pkgname-$_commit.tar.gz::https://github.com/Pixel3Dev/$_repository/archive/$_commit.tar.gz
	config-$_flavor.aarch64
	0001-linux4.17-gcc10-extern_YYLOC_global_declaration.patch
"

builddir="$srcdir/linux-$_commit"

prepare() {
	default_prepare
	cp "$srcdir"/$_config .config
}

build() {
	unset LDFLAGS
	# V=1: workaround for pma#1990
	make ARCH="$_carch" CC="${CC:-gcc}" \
		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-$_flavor" \
		CFLAGS_MODULE=-fno-pic V=1
}

package() {

	install -Dm644 "$builddir/arch/$_carch/boot/Image.gz" \
		"$pkgdir/boot/vmlinuz"

	make modules_install dtbs_install \
		ARCH="$_carch" \
		INSTALL_PATH="$pkgdir"/boot \
		INSTALL_MOD_PATH="$pkgdir" \
		INSTALL_DTBS_PATH="$pkgdir/boot/dtbs"

	rm -f "$pkgdir"/lib/modules/*/build "$pkgdir"/lib/modules/*/source

	install -D "$builddir/include/config/kernel.release" \
		"$pkgdir/usr/share/kernel/$_flavor/kernel.release"
}

sha512sums="
1ce235689d7ce0b40be203cb16c1bdfe9bc7b2c5e793a942afc5ea4f3268a0a15b684d9c4017a87916d989d8592a96a4223976c95bf7fcca603e71d2f20fee86  linux-google-crosshatch-mainline-9c9b87cec239101274451cc9c086da60108f9fda.tar.gz
dd0e65335ce8583ef216b1efde4fc46450dc9ff5173dca3207f4743602a8a45b54cd0d3bdaf550820328f112b4e6581a31bd3d8814f90e409a5892cd3cdf4b62  config-google-crosshatch-mainline.aarch64
27827877040007fc1c4c719f7e2e19e5c272d44972415cfc53feba0313d87e4074f8204bdb13cbc5fe21ea61bf595314b68f10c081e7b7bac3c888b60f008acf  0001-linux4.17-gcc10-extern_YYLOC_global_declaration.patch
"
